forked from: dripping, distorting
/**
* Copyright bradsedito ( http://wonderfl.net/user/bradsedito )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/3wOH
*/
// forked from k__'s dripping, distorting
package {
import flash.display.*;
import flash.events.*;
import flash.filters.*;
import flash.geom.*;
public class Main extends Sprite {
private var space:Sprite;
private var floor:BitmapData;
private var noise:BitmapData;
private var brush:Sprite;
private var bobbles:Array;
private var cx:Number, cy:Number;
private var msx:Number, msy:Number;
private var fils:Array;
private var cnt:uint = 0;
public function Main() {
addChild(new Bitmap(floor = new BitmapData(stage.stageWidth, stage.stageHeight)));
addChild(space = new Sprite());
brush = new Sprite();
bobbles = [];
stage.addEventListener(MouseEvent.MOUSE_MOVE, h_mouseMove);
addEventListener(Event.ENTER_FRAME, h_enterFrame);
msx = cx = stage.stageWidth / 2;
msy = cy = stage.stageHeight / 2;
space.filters = [new BlurFilter()];
fils = [];
fils.push(new ColorMatrixFilter([1.008,0,0,0,0, 0,1.008,0,0,0, 0,0,1.004,0,0, 0,0,0,1,0]));
noise = new BitmapData(stage.stageWidth, stage.stageHeight);
noise.perlinNoise(100,100,4,1,true,true);
fils.push(new DisplacementMapFilter(noise,null,BitmapDataChannel.GREEN,BitmapDataChannel.RED,1,1));
}
private function h_enterFrame(evt:Event):void {
update();
}
private function h_mouseMove(evt:MouseEvent):void {
for (var i:uint = 0; i < 5; i ++) {
var b:Object = {};
var r:Number = Math.random() * Math.PI * 2;
var d:Number = Math.random() * 5;
b.vx = Math.cos(r) * d + (mouseX - msx) / 10;
b.vy = Math.sin(r) * d + (mouseY - msy) / 10;
b.vz = Math.random() * 8;
b.x = mouseX - cx + b.vx;
b.y = mouseY - cy + b.vy;
b.z = 0;
b.col = Math.floor(0x232323);
b.size = Math.random() * 5;
bobbles.push(b);
}
msx = mouseX;
msy = mouseY;
}
private function update():void {
var temp:Array = bobbles.concat();
temp.sortOn(z);
bobbles = new Array();
space.graphics.clear();
space.graphics.clear();
for (var i:uint = 0; i < temp.length; i ++) {
temp[i].vz -= 0.5;
temp[i].x += temp[i].vx;
temp[i].y += temp[i].vy;
temp[i].z += temp[i].vz;
draw(space.graphics, temp[i], (1 - (temp[i].z +20) / 30));
if (temp[i].z > -20) {
bobbles.push(temp[i]);
} else {
brush.graphics.clear();
draw(brush.graphics, temp[i], 0.9);
floor.draw(brush, null, null,BlendMode.DARKEN);
}
}
for (i = 0; i < fils.length; i ++) {
floor.applyFilter(floor, floor.rect, new Point(0,0), fils[i]);
}
}
private function draw(g:Graphics, b:Object, a:Number):void {
var scale:Number = (b.z + 200) / 200;
g.beginFill(b.col,a);
g.drawCircle(cx + b.x * scale, cy + b.y * scale, b.size * scale);
g.endFill();
}
}
}